[MPICH] MPI_Comm_spawn and hosts

[Wei-keng Liao]

In my PBS script, I use mpdboot to create an MPD ring and mpiexec to run 
my program. The machine I tested is Jazz and my program is compiled with 
my own built mpich2-1.0.5p4 library.

Wei-keng

On Sun, 26 Aug 2007, Rajeev Thakur wrote:

> Wei-keng,
>          Are you using MPD through PBS or just PBS?
> 
> Rajeev
> 
> > -----Original Message-----
> > From: owner-mpich-discuss at mcs.anl.gov [mailto:owner-mpich-
> > discuss at mcs.anl.gov] On Behalf Of Wei-keng Liao
> > Sent: Friday, August 24, 2007 2:15 PM
> > To: mpich-discuss at mcs.anl.gov
> > Subject: [MPICH] MPI_Comm_spawn and hosts
> > 
> > 
> > I have a simple program that calls MPI_Comm_spawn() to spawn a group of
> > MPI processes. I found that the hosts running parent and child groups are
> > overlapped. I ran The job ran though PBS with enough compute nodes
> > allocated for parents and children to be disjoint.
> > 
> > How do I ensure the hosts running parents and children are not overlapped?
> > 
> > Wei-keng
> > 
> 
>